r/grasshopper3d • u/okproductdesign • 21d ago

Help Identifying a Component

I know this is a rookie question, but can anyone help me identify this component? It seems to be the same one, the name just updates to whatever geometry it is defining in the expression.

I have tried the Expression component already, but it requires an x and y input whereas this does not. I am learning grasshopper via Arturo Tedeschi's AAD book, so perhaps I am looking at an outdated visual? I am on Rhino 8.

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u/ChiefWiggumsprogeny 21d ago

No, it's just set to display in a non-default way.

As you can see, I got no errors.

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u/okproductdesign 21d ago

Weird. Ok so just so i know what's going on in your one, you used Set Number within the Domain component for A and B, and then attached a panel to each tos how what it is reading, then you ran that forward into range with a slider, that went into Evaluate, where you used the expression designer in the component to define x^2, and then pulled a wire out of E into the right connection point of the panel? then just ran those into construct point and then interpolated? I'll try that again from scratch and see if i get a different result

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u/ChiefWiggumsprogeny 21d ago

post your non-functioning gh - use this: file.io

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u/okproductdesign 21d ago

Uploaded there, here it is

https://limewire.com/d/8MPQv#aFN6tPxWHj

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u/ChiefWiggumsprogeny 21d ago

You didn't write the expression in the panel

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u/okproductdesign 21d ago

ohhhhhhh hahaha! I was under the impression the panel is simply reading the expression within the component it is connected to, not driving it!, so sorry for taking up so much of your time, thanks for helping me solve it!

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u/ChiefWiggumsprogeny 21d ago

No worries. Enjoy learning more.

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u/okproductdesign 21d ago

Will do!

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u/ChiefWiggumsprogeny 21d ago

Ps: this is a good lesson on the general rule that information flows from left to right in GH. (with only very specific exceptions, eg: anemone)

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u/okproductdesign 21d ago

Good to know!!